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Old 10-09-2017, 09:02 PM   #4
Mike C
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Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,712
Re: Can't measure rear end pre load, options?

I second kwmech. A 12 bolt won't specify torque on the nut because of the crush sleeve. A Dana will and I would assume an Eaton too.

But just use a 1/2" ratchet and tighten it as tight as you can get it. I HIGHLY recommend using a new pinion nut.
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